Finding the Fourth Proportional to 42,194,642.02, 63,301,508.07 and 13,442,415.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,194,642.02 : 63,301,508.07 = 13,442,415.46 : x
2. Step 2: Convert to fraction form
   42,194,642.02/63,301,508.07 = 13,442,415.46/x
3. Step 3: Cross multiply
   42,194,642.02x = 63,301,508.07 × 13,442,415.46
4. Step 4: Simplify right side
   42,194,642.02x = 850,925,170,404,975.25
5. Step 5: Solve for x
   x = 850,925,170,404,975.25/42,194,642.02
6. Step 6: Final answer
   x = 20,166,664.05